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[PATCH RFC v2 01/19] WIP: update linux/headers


From: Vitaly Kuznetsov
Subject: [PATCH RFC v2 01/19] WIP: update linux/headers
Date: Wed, 30 Sep 2020 15:40:09 +0200

KVM_CAP_SYS_HYPERV_CPUID definition is needed for this series.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
---
 linux-headers/asm-x86/kvm.h | 20 ++++++++++++++++++++
 linux-headers/linux/kvm.h   | 27 ++++++++++++++++++++++++---
 2 files changed, 44 insertions(+), 3 deletions(-)

diff --git a/linux-headers/asm-x86/kvm.h b/linux-headers/asm-x86/kvm.h
index 0780f97c1850..89e5f3d1bba8 100644
--- a/linux-headers/asm-x86/kvm.h
+++ b/linux-headers/asm-x86/kvm.h
@@ -192,6 +192,26 @@ struct kvm_msr_list {
        __u32 indices[0];
 };
 
+/* Maximum size of any access bitmap in bytes */
+#define KVM_MSR_FILTER_MAX_BITMAP_SIZE 0x600
+
+/* for KVM_X86_SET_MSR_FILTER */
+struct kvm_msr_filter_range {
+#define KVM_MSR_FILTER_READ  (1 << 0)
+#define KVM_MSR_FILTER_WRITE (1 << 1)
+       __u32 flags;
+       __u32 nmsrs; /* number of msrs in bitmap */
+       __u32 base;  /* MSR index the bitmap starts at */
+       __u8 *bitmap; /* a 1 bit allows the operations in flags, 0 denies */
+};
+
+#define KVM_MSR_FILTER_MAX_RANGES 16
+struct kvm_msr_filter {
+#define KVM_MSR_FILTER_DEFAULT_ALLOW (0 << 0)
+#define KVM_MSR_FILTER_DEFAULT_DENY  (1 << 0)
+       __u32 flags;
+       struct kvm_msr_filter_range ranges[KVM_MSR_FILTER_MAX_RANGES];
+};
 
 struct kvm_cpuid_entry {
        __u32 function;
diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
index 6683e2e1b0a0..b28b806530b7 100644
--- a/linux-headers/linux/kvm.h
+++ b/linux-headers/linux/kvm.h
@@ -248,6 +248,8 @@ struct kvm_hyperv_exit {
 #define KVM_EXIT_IOAPIC_EOI       26
 #define KVM_EXIT_HYPERV           27
 #define KVM_EXIT_ARM_NISV         28
+#define KVM_EXIT_X86_RDMSR        29
+#define KVM_EXIT_X86_WRMSR        30
 
 /* For KVM_EXIT_INTERNAL_ERROR */
 /* Emulate instruction failed. */
@@ -413,6 +415,17 @@ struct kvm_run {
                        __u64 esr_iss;
                        __u64 fault_ipa;
                } arm_nisv;
+               /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
+               struct {
+                       __u8 error; /* user -> kernel */
+                       __u8 pad[7];
+#define KVM_MSR_EXIT_REASON_INVAL      (1 << 0)
+#define KVM_MSR_EXIT_REASON_UNKNOWN    (1 << 1)
+#define KVM_MSR_EXIT_REASON_FILTER     (1 << 2)
+                       __u32 reason; /* kernel -> user */
+                       __u32 index; /* kernel -> user */
+                       __u64 data; /* kernel <-> user */
+               } msr;
                /* Fix the size of the union. */
                char padding[256];
        };
@@ -790,9 +803,10 @@ struct kvm_ppc_resize_hpt {
 #define KVM_VM_PPC_HV 1
 #define KVM_VM_PPC_PR 2
 
-/* on MIPS, 0 forces trap & emulate, 1 forces VZ ASE */
-#define KVM_VM_MIPS_TE         0
+/* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
+#define KVM_VM_MIPS_AUTO       0
 #define KVM_VM_MIPS_VZ         1
+#define KVM_VM_MIPS_TE         2
 
 #define KVM_S390_SIE_PAGE_OFFSET 1
 
@@ -1035,6 +1049,10 @@ struct kvm_ppc_resize_hpt {
 #define KVM_CAP_LAST_CPU 184
 #define KVM_CAP_SMALLER_MAXPHYADDR 185
 #define KVM_CAP_S390_DIAG318 186
+#define KVM_CAP_STEAL_TIME 187
+#define KVM_CAP_X86_USER_SPACE_MSR 188
+#define KVM_CAP_X86_MSR_FILTER 189
+#define KVM_CAP_SYS_HYPERV_CPUID 190
 
 #ifdef KVM_CAP_IRQ_ROUTING
 
@@ -1493,7 +1511,7 @@ struct kvm_enc_region {
 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
 #define KVM_CLEAR_DIRTY_LOG          _IOWR(KVMIO, 0xc0, struct 
kvm_clear_dirty_log)
 
-/* Available with KVM_CAP_HYPERV_CPUID */
+/* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID 
(system) */
 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
 
 /* Available with KVM_CAP_ARM_SVE */
@@ -1536,6 +1554,9 @@ struct kvm_pv_cmd {
 /* Available with KVM_CAP_S390_PROTECTED */
 #define KVM_S390_PV_COMMAND            _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
 
+/* Available with KVM_CAP_X86_MSR_FILTER */
+#define KVM_X86_SET_MSR_FILTER _IOW(KVMIO,  0xc6, struct kvm_msr_filter)
+
 /* Secure Encrypted Virtualization command */
 enum sev_cmd_id {
        /* Guest initialization commands */
-- 
2.25.4




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